Re: [PATCH v3 4/5] ACPI / processor_idle : introduce ARCH_SUPPORTS_ACPI_PROCESSOR_CSTATE

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Hi Rafael,

On 17/02/16 12:21, Sudeep Holla wrote:


On 16/02/16 20:18, Rafael J. Wysocki wrote:

[..]


This way it all should work without any new Kconfig options.


I agree with you in terms of avoiding new Kconfig option. However the
main reason for adding it is to avoid declaring dummy functions and
variables on ARM64.

It's hard to justify the maintainers as it's totally useless on ARM64.
E.g. boot_option_idle_override, IDLE_NOMWAIT, acpi_unlazy_tlb,
arch_safe_halt.

Other option is to push those under CONFIG_X86, but then I don't have
much idea on what are all needed for IA64, so took an option that
encapsulates everything under CSTATE feature Kconfig, which is not user
visible and selected by archs supporting it by default.

I am open to any other alternative.


Whatever alternative methods I tried so far ended up much horrible than
this. So any suggestions are much appreciated.

--
Regards,
Sudeep
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